Home / 4,288.65-6,429.38-1,825.20

Finding the Fourth Proportional to 4,288.65, 6,429.38 and 1,825.20

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Solution

The fourth proportional to 4,288.65, 6,429.38 and 1,825.20 is: 2,736.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,288.65 : 6,429.38 = 1,825.20 : x
  2. Step 2: Convert to fraction form
    4,288.65/6,429.38 = 1,825.20/x
  3. Step 3: Cross multiply
    4,288.65x = 6,429.38 × 1,825.20
  4. Step 4: Simplify right side
    4,288.65x = 11,734,895.25
  5. Step 5: Solve for x
    x = 11,734,895.25/4,288.65
  6. Step 6: Final answer
    x = 2,736.27

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.